omp 80" 540 edge kit (CG)  
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All Forums >> RC Airplanes >> Profile and Fun Flying Planes >> OMP - Ohio Model Products Support Forum >> omp 80" 540 edge kit (CG)
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omp 80" 540 edge kit (CG) - 7/25/2004 3:17:18 AM   
fanman-RCU


 

Posts: 20
Joined: 1/26/2002
From: paris, TN, USA
Status: offline 		Can someone tell me CG on 80" edge 540 profile.
I have no plans.
IT was built from a kit!!!!
Bought it wrecked and fixed it and ready to balanced.
randt@access4less.net
Thanks

PS:I think the arf version is 1" behind spar??????
       Post #: 1

RE: omp 80" 540 edge kit (CG) - 7/25/2004 3:34:23 AM   
STLPilot


 

Posts: 9237
Joined: 3/12/2003
From: Manhattan, NY, USA
Status: offline 		3/4" behind the back of the spar is good to start and is safe. Make sure you check left to right too. The ARF and the Kit are the same.

Best way to check for CG on this plane is to fly straight and level and trim your plane out. After it's trimmed fly 1/2 throttle inverted. The plane should barely drop on the nose. It should almost fly hands off inverted. If you want to get a little more 3D friendly keep moving the CG back until the plane does an outside loop that's about 1 1/2" back behind the back of the spar. Flying real tail heavy is great for 3D but loses other characteristics for IMAC type flying.

My personal Edge is 2" behind the back of the spar. It will torque roll and hover as easy as any plane you've ever flown. It will also waterfall on the spar. I like em real tail heavy. Landing it becomes very tricky as the slower it gets the more it climbs. When I touchdown I have to give it about 1/2 forward elevator to keep it down.

Got any pics? What motor?

< Message edited by STLPilot -- 7/24/2004 10:35:32 PM >

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RE: omp 80" 540 edge kit (CG) - 7/25/2004 4:03:01 AM   
fanman-RCU


 

Posts: 20
Joined: 1/26/2002
From: paris, TN, USA
Status: offline 		Yea ok thanks for cg info.
I bought this 80" 540 from a fellow modeler.
i seen him fly it 5 or 6 times
at our field.
he was doing a hover at 80 ft maby and the engine quit
and it came staight in.
busted left wing and some other minor problems.
but anyway its got a webra bully 35 cc whitch it did not hurt,so
i bought the plane from him last fall when this crashed accured
and just know finished the restore of it as i got many projects.
fixed,recovered/you know what it takes,a lot of time.
he was just pissed at the time with all that hard work he done to get it ready.
so much for that.
I did check balance and its at 2" behind spar.
wish me luck.
beleive bully 35 on glow with 20/6 zinger is running great.
no pictures but will take one before i take her up sunday weather permiting
thank for info on your 540 myfriend
fanman in tn.

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RE: omp 80" 540 edge kit (CG) - 7/25/2004 12:30:33 PM   
STLPilot


 

Posts: 9237
Joined: 3/12/2003
From: Manhattan, NY, USA
Status: offline 		Unless you are very well seasoned at 3D do not fly this at 2" for the first time. It's really going to fly tail heavy and it's going to surprise you when you lift off.

Also this plane can deadstick from 80' and land easily. I've came down less then 20' on a deadstick and no problem. He must have been much lower then 80' or tail slid the whole way. These planes flip over easily when the dead stick with just a touch of elevator.

Good luck!

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RE: omp 80" 540 edge kit (CG) - 7/25/2004 2:51:03 PM   
fanman-RCU


 

Posts: 20
Joined: 1/26/2002
From: paris, TN, USA
Status: offline 		yes he might have been lower.
can you tell me the throw movements stlpilot
fanman
paris tn.

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RE: omp 80" 540 edge kit (CG) - 7/25/2004 3:39:58 PM   
STLPilot


 

Posts: 9237
Joined: 3/12/2003
From: Manhattan, NY, USA
Status: offline 		well that again depend on how you want to fly. this plane is MUCH more forgiving with high rates then the smaller planes. i use very high torque servos and get at least 60 degrees all the way around. if you know how to fly on high rates only ... throw them as far as they can go. once you get good with the sticks you won't need dual rates.

if you want to set dual rate for first flight go for about 40 degrees on each control surface .... then just play with it.

you have nothing to worry about ... the GS Edge is a big baby and very forgiving. i've flown it without 1 aileron and 1 rudder at the same time. both ripped off and barely noticed the difference. it will land soft as anything you've ever flown with or without high rates.

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RE: omp 80" 540 edge kit (CG) - 8/20/2004 1:03:49 PM   
DonQuixote


 

Posts: 3
Joined: 3/27/2004
From: washington, UNITED KINGDOM
Status: offline 		been reading with interest the comments on flying 80" edge for 1st time. i will be flying edge 540 seagull arf with asp 91 2c motor. have took my time putting it together and looks pretty good. 1st time flying an aerobatic plane after trainer. any surprises i should know about, or any tips. thx in advance

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RE: omp 80" 540 edge kit (CG) - 8/20/2004 1:23:14 PM   
STLPilot


 

Posts: 9237
Joined: 3/12/2003
From: Manhattan, NY, USA
Status: offline 		What you just read in this thread do not apply to your Seagull ARF. This is a completely different plane. Profile planes and 90 size scale planes are night and day. You need to do what your instructions say. I don't mean this in a bad way, I'm sure you plane is great, however if you just read this thread and applied it to your plane, it won't last long.

Here is what we are talking about.

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RE: omp 80" 540 edge kit (CG) - 8/20/2004 3:05:24 PM   
remcl1



Posts: 449
Joined: 11/24/2003
From: Lakeland, FL, USA
Status: offline 		Dion,

I know this is off topic, but importent.


It seems like so many new pilots want to jump right into high performance sport planes. I have seen so many times that this ends up in a disaster. I is also more dangerous than tail touching. You are asking about tips and surprises. Your first surprise will be that this plane is not as forgiving as a trainer. It will stay in any attitude that you put it in. You can not fly behind it as you can a trainer. You will also note that it will not land as soft and gentle as your trainer. You asked for tips. I highly recommend that you get a sport trainer. You said that you took your time putting it together and it looks Pretty good. I would like to see it stay that way. Get yourself something like a 4 star 40 for your first sport plane. My first plane out of my trainer was a Thunder tiger profile $85 bucks and little build time. I figured if I crashed it I would just laugh. I liked the plane and that style of flying so much I have been predominately profiles ever since: OMP profiles at that.

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       Post #: 9

RE: omp 80" 540 edge kit (CG) - 8/20/2004 3:28:39 PM   
Mike in DC


 

Posts: 935
Joined: 8/14/2003
From: Washington, DC, USA
Status: offline
quote:

ORIGINAL: remcl1
You can not fly behind it as you can a trainer.


Just curious... What does this mean? Never heard this concept.

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RE: omp 80" 540 edge kit (CG) - 8/20/2004 4:12:31 PM   
STLPilot


 

Posts: 9237
Joined: 3/12/2003
From: Manhattan, NY, USA
Status: offline 		I've seen that Edge Don Q has fly. It's prolly more forgiving then the 4*. The problem is the pucker factor/fear factor and the intimidation on his larger Seagull Edge. As a second plane it's probably a great chioce I think for him.

The best way to overcome any plane as your 2nd plane is using a simulator and using it a lot.

Also the best bet is a good computer radio. That is the 2nd best investment in the hobby you can make after the simulator.

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RE: omp 80" 540 edge kit (CG) - 8/20/2004 6:35:05 PM   
remcl1



Posts: 449
Joined: 11/24/2003
From: Lakeland, FL, USA
Status: offline 		I read his post as the seagul Edge was going to be his first sport plane, sounds like that is not the case.

Mike, what I meant by that is your reaction time. flying behind a plane means you are reacting to it rather than anticipating what it is going to do. You bank a plane and it banks and turn past the point where you really wanted it to. I guess the best way to say it is planning ahead. You are thinking of where the plane is going before it gets there. And making it get there rather than allowing it to get there. Hope that helps.

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RE: omp 80" 540 edge kit (CG) - 8/20/2004 11:46:25 PM   
Owild1



Posts: 18
Joined: 2/16/2003
From: Losantville, IN, USA
Status: offline 		I had to place my Saito 180 a 1/4 of a in away from the edge of the nose Im running two 6 volt batt from a y to MPI monitor switch they fir snug in the batt compartment. But Im running all JR 8411 except on throttle and this is on no 2 bird they do make a difference!!!!

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